1) Define convex lens and concave mirror. Also describe at least one use of both
Answers
Answer:
Concave mirror -- it is a mirror in which the bent surface act as a reflecting surface.
uses of concave mirror--large concave mirror are used in reflecting type of telescope.
Convex mirror -- it is a mirror in which bulging out surface is the reflecting surface.
uses of convex mirror -- the mirror always produces and virtual and erect image.
Answer:
Concave mirror- A spherical mirror in which the reflecting surface is towards the centre of the sphere of which the mirror is part is called a concave mirror.
Uses-
A concave mirror is used as a reflector in torches, search light and headlights of motor vehicles, etc to get powerful parallel beams of light.
Convex mirror- A spherical mirror in which the reflecting surface is away from the centre of the sphere of which the mirror is a part is called a convex mirror.
Uses-
A convex mirror is used by drivers of automobiles ( like cars, trucks and buses) as a rear view mirror. These mirrors are fitted on the sides of the vehicle enabling the driver to see traffic behind for safe driving.